Portion of a shoe



FIG. 1 is a perspective view of a portion of a shoe showing my new design;

FIG. 2 is a side view of a portion of a shoe shown in FIG. 1;

FIG. 3 is another side view of a portion of a shoe shown in FIG. 1; and,

FIG. 4 is a rear view of a portion of a shoe shown in FIG. 1.

The uneven broken line immediately adjacent to the shaded area represents the bounds of the claimed design. All other uneven broken lines represent the remaining portion of the shoe. The uneven broken line representations in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 